Director (Control) Server
CPU: (1) modern, single quad score
Memory: 16-32GB RAM
Disk: 4*SAS or 4*SSD drives raid10 (hardware raid 10 would be strongly advised) **
**Capacity will depend on the number/type of VMs and Servers being backed up.
CPU: (1) modern, dual or quad core cpu or (2) vCPUs if virtualized
Memory: 2-8GB RAM
Disk: 100-200GB disk